The basis
Having installed the piston 3 with the lower end on the pale plate 1, it is determined on the basis of the indication of the frame level 2 of the value and the direction of inclination of the axis of the piston per 1 m length.
Having installed the piston 3 with the lower end on the pale plate 1, it is determined on the basis of the indication of the frame level 2 of the value and the direction of inclination of the axis of the piston per 1 m length.